The last 2 years have been rough (new role, less ice time, less PP time, recovering from surgery)

He really doesn't get enough credit around here

Thing you have to take into consideration is that Hemsky brings no intangibles to the game so all that's left to consider is points, and his points are heavily weighted towards assists.

Most of the other players on that list bring other things to the game; some of them are snipers, some are physical and stand up for their teammates, some are good enough defensively to be shutdown players while they provide more offense.